| Adaconn + Inserta |
| Adaptall America Inc. |
| All About Hydraulics |
| Alliance Plastics |
| Amalga Composites Inc. |
| American Gear Manufacturers Association |
| Ametek Automation & Process Technologies |
| Anchor Fluid Power |
| Anderson Metals Corp., Inc. |
| API Heat Transfer |
| ARGO-HYTOS, Inc. |
| Attica Hydraulic Exchange Corp. |
| Bailey International Corporation |
| Baldwin Filters |
| Behringer Corp. |
| Bimal S.r.L. |
| Bosch Rexroth Corporation |
| Brand Hydraulics |
| Brennan Industries Inc. |
| Brevini USA |
| Brush Research Manufacturing Co., Inc. |
| Buhler/F and M Fluid Power, Inc |
| Busak+Shamban |
| Caplugs |
| Carlisle Industrial Brake |
| Casappa Corporation |
| Cat Pumps |
| CH Products |
| Cob Auto Parts Co., Ltd. |
| Comer Industries, Inc. |
| Command Controls Corp. |
| Component Sourcing Intl. LLC |
| Continental Hydraulics |
| Control Products Inc. - CPI |
| Cross Manufacturing Inc. |
| Cygnus Business Media |
| Danfoss |
| Delta Computer Systems, Inc. |
| Delta Power Company |
| Deltrol Fluid Products |
| Dichtomatik Americas |
| DICSA |
| Diesel Progress |
| Dofasco Copperweld |
| Drives, Incorporated |
| Dynamic Fluid Components Inc. |
| Eaton |
| Ebsco Spring |
| Elesa USA Corporation |
| Engineering Technology Services , LLC. |
| EPHA, Inc. |
| European Industrial Products |
| F. B. Group |
| Fairfield Manufacturing Company, Inc. |
| Farmington Engineering, Inc. |
| Faster, Inc. |
| Filtration Products Corporation |
| Finn-Power/Lillbacka Powerco USA, Inc. |
| Fittings Unlimited, Inc. |
| Flint Hydrostatics, Inc. |
| Fluid Power Distributors Association |
| Fluid Power Journal |
| Fluid Sealing Association |
| Force America |
| G & G Manufacturing Company |
| Gates Corporation |
| Geartek |
| Gems Sensors & Controls |
| Griffin Gear |
| GS-Hydro U.S. Inc. |
| Haldex Hydraulics Corporation |
| Hallite Seals, Inc. |
| HANSA-FLEX Hydraulik GmbH |
| Hartmann Controls, Inc. |
| HAWE Hydraulics |
| HBD/Thermoid Inc. |
| Hedland Flow Meters |
| Hercules Sealing Products |
| HFI Fluid Power Products |
| Hunger Hydraulics C.C. Ltd. |
| HUSCO International |
| HWF Hydraulics International Inc. |
| Hydac/Schroeder Industries, LLC |
| Hydraforce, Inc. |
| Hydraulics & Pneumatics/Machine Design |
| Hydro Electronic Devices, Inc. (HED) |
| Hydro-Craft Inc. |
| Hydrosila ISC |
| IC Flow Controls Inc. |
| IC-Fluid Power, Inc. |
| IFM Efector, Inc. |
| Imagine Software Inc |
| Innas-NOAX |
| Inpro/Seal Company |
| Integrated Hydraulics |
| International Fluid Power Society |
| Internormen Technology Inc. |
| Italian Trade Commission |
| J.R. Merritt Controls, Inc. |
| John Deere Cylinder Division |
| Kar-Tech Inc. |
| Kawasaki Precision Machinery (U.S.A.) |
| KHL Polyurethans USA Inc. |
| KTI Hydraulics, Inc. |
| Kuriyama of America, Inc. |
| KYB America LLC |
| Lafert North America |
| Lee Company (The) |
| Legris Inc |
| Linde Hydraulics |
| Lodar |
| Lumex Ltd. |
| Lynch Fluid Controls Inc. |
| Magnet-Schultz Worldwide |
| Magnom |
| Manuli Hydraulics (Americas) Inc. |
| Marken Mfg./Uniflex of America |
| Marmon/Keystone Corporation |
| Martin Fluid Power |
| Marzocchi Pumps USA |
| Metal-Matic, Inc. |
| Metaris Inc |
| MICO, Incorporated |
| Midwest Control Products Corp. |
| Milwaukee School of Engineering |
| Monarch Hydraulics, Inc. |
| MP Filtri USA |
| Muncie Power Products |
| Nachi America |
| Nason |
| National Fluid Power |
| North American Hydraulics, Inc. (NAHI) |
| Northman Fluid Power |
| Noshok, Inc. |
| NRP-Jones |
| OEM Controls, Inc. |
| OilAir Hydraulics, Inc. |
| Oilgear Company (The) |
| Omni Gear |
| Orange Research |
| Pall Corporation |
| Parker Hannifin Corp. |
| Permco |
| Phoenix International Corporation |
| Plymouth Tube Company |
| Poclain Hydraulics |
| Power Team |
| Premium Energy Transmission Ltd. |
| Pressure Connections Corp. |
| Prince Manufacturing Corp. |
| PTC Alliance |
| PTO - Power Transmission Options |
| RB Royal Industries, Inc. |
| Real Seal Co. |
| Rineer Hydraulics Inc. |
| Rotor Clip Company |
| RT/Dygert International |
| Ryco Hydraulics, Inc. |
| SAE International |
| SafeWay Hydraulics, Inc. |
| Saikesi (Hong Kong) Hydraulic |
| Sauer-Danfoss Inc. |
| Schrupp Industries Inc. |
| Sherex Industries Ltd. |
| Simrit A Division of Freudenberg - NOK |
| SKF Polyseal, Inc. |
| SPECIALTY Tank & Reservoir Div., Metko Inc. |
| SpecSys Inc. |
| Stauff Corporation |
| Stiebel-Getriebebau GmbH & Co KG |
| Stucchi USA, Inc. |
| STW Technic LP |
| Sun Hydraulics Corp. |
| Sunfab North America |
| SunSource |
| Taiwan Fluid Power Association |
| Teleflex |
| Texas Hydraulics & Hydromotion Inc. |
| Thermal Transfer Products |
| Thomas Magnete USA |
| T-Lon Products, Inc. |
| Tobul Accumulator Incorporated |
| Tompkins Industries Inc. |
| Tuff Torq Corporation |
| Ultra Clean Technologies Corp. |
| United Cast Bar Inc |
| Veljan Hydrair Pvt. Ltd. |
| VEST Inc. |
| Voith Turbo Inc. |
| Walvoil Fluid Power |
| Webster Instruments |
| White Drive Products |
| White Oak Controls Inc |
| WIKA Instrument Corporation |
| Williams Controls, Inc. |
| World Wide Metric |
| Ximaike International Exhibition Co., Ltd. |
| Yamashin America, Inc. |
| Yates Industries |
| Zinga Industries, Inc. |